US Bridges

Ramp to US 36 Ebnd over I 70 Ml

Fair

Arapahoe County, Colorado · 1.4 MI E of JCT SH 79 · Structure no. F-19-AH

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
328 ft
4 main spans
Daily traffic
1,100
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to US 36 Ebnd over I 70 Ml is a concrete continuous tee beam carrying Ramp to US 36 Ebnd over I 70 Ml in Arapahoe County, Colorado. It was built in 1959, so it is 66 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,309 by 2040. The structure is 328 ft (100 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp to US 36 Ebnd
CrossesI 70 Ml
Location1.4 MI E of JCT SH 79
RouteU.S. Route 36D
Coordinates39.73724, -104.40672
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating25.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length328 ft (100 m)
Longest span92 ft (28 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2020)
Projected traffic1,309 by 2040
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp to US 36 Ebnd over I 70 Ml built?

It was built in 1959, making it 66 years old in 2025.

What condition is Ramp to US 36 Ebnd over I 70 Ml in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Ramp to US 36 Ebnd over I 70 Ml carry?

About 1,100 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ramp to US 36 Ebnd over I 70 Ml?

The structure is 328 ft (100 m) long with a longest span of 92 ft (28 m) and a deck 32 ft wide.

Who owns Ramp to US 36 Ebnd over I 70 Ml?

It is owned by the State Highway Agency.